DE3003745C2 - Belichtungszeit-Steuerschaltung für eine Kamera - Google Patents

Belichtungszeit-Steuerschaltung für eine Kamera

Info

Publication number
DE3003745C2
DE3003745C2 DE3003745A DE3003745A DE3003745C2 DE 3003745 C2 DE3003745 C2 DE 3003745C2 DE 3003745 A DE3003745 A DE 3003745A DE 3003745 A DE3003745 A DE 3003745A DE 3003745 C2 DE3003745 C2 DE 3003745C2
Authority
DE
Germany
Prior art keywords
circuit
switch
exposure time
manual
setting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DE3003745A
Other languages
German (de)
English (en)
Other versions
DE3003745A1 (de
Inventor
Koji Asaka Saitama Suzuki
Eiichi Kamifukuoka Saitama Tano
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pentax Corp
Original Assignee
Asahi Kogaku Kogyo Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP1056679A external-priority patent/JPS55103530A/ja
Priority claimed from JP1056879A external-priority patent/JPS55103531A/ja
Priority claimed from JP1056779A external-priority patent/JPS55103542A/ja
Application filed by Asahi Kogaku Kogyo Co Ltd filed Critical Asahi Kogaku Kogyo Co Ltd
Publication of DE3003745A1 publication Critical patent/DE3003745A1/de
Application granted granted Critical
Publication of DE3003745C2 publication Critical patent/DE3003745C2/de
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/08—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
    • G03B7/081—Analogue circuits
    • G03B7/083—Analogue circuits for control of exposure time
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/08—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
    • G03B7/091—Digital circuits
    • G03B7/093—Digital circuits for control of exposure time

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Control For Cameras (AREA)
  • Indication In Cameras, And Counting Of Exposures (AREA)
DE3003745A 1979-02-01 1980-02-01 Belichtungszeit-Steuerschaltung für eine Kamera Expired DE3003745C2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP1056679A JPS55103530A (en) 1979-02-01 1979-02-01 Exposure time control circuit of camera
JP1056879A JPS55103531A (en) 1979-02-01 1979-02-01 Exposure time control circuit of camera
JP1056779A JPS55103542A (en) 1979-02-01 1979-02-01 Exposure time display circuit of camera

Publications (2)

Publication Number Publication Date
DE3003745A1 DE3003745A1 (de) 1980-08-07
DE3003745C2 true DE3003745C2 (de) 1984-05-03

Family

ID=27279012

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3003745A Expired DE3003745C2 (de) 1979-02-01 1980-02-01 Belichtungszeit-Steuerschaltung für eine Kamera

Country Status (4)

Country Link
US (1) US4306785A (sv)
DE (1) DE3003745C2 (sv)
FR (1) FR2448164A1 (sv)
GB (2) GB2045957B (sv)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5670533A (en) * 1979-11-13 1981-06-12 Asahi Optical Co Ltd Control circuit for exposure time of camera
JPS5730822A (en) * 1980-07-31 1982-02-19 Olympus Optical Co Ltd Average photometry method at plural points of automatic exposure camera
JPS57195226A (en) * 1981-05-27 1982-11-30 Olympus Optical Co Ltd Automatic exposure controller of camera
JPH0823648B2 (ja) * 1983-08-11 1996-03-06 株式会社ニコン カメラの優先モード設定装置
US5272497A (en) * 1989-07-25 1993-12-21 Asahi Kogaku Kogyo Kabushiki Kaisha Light source apparatus for endoscope
US5184159A (en) * 1989-07-25 1993-02-02 Asahi Kogaku Kogyo Kabushiki Kaisha Light source apparatus for endoscope
JP2868270B2 (ja) * 1990-02-14 1999-03-10 旭光学工業株式会社 カメラの露出制御装置
CA2066022C (en) * 1991-04-15 2000-08-15 Osamu Sato Exposure control apparatus of camera
KR100210005B1 (ko) * 1991-04-15 1999-07-15 마츠모토 도루 카메라의 노출제어장치
CA2066014C (en) * 1991-04-15 2001-04-03 Osamu Sato Exposure control apparatus of camera
JP5125010B2 (ja) * 2006-07-20 2013-01-23 ソニー株式会社 固体撮像装置、及び制御システム

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5640811B2 (sv) * 1972-12-29 1981-09-24
JPS5631572B2 (sv) * 1973-08-24 1981-07-22
JPS577420B2 (sv) * 1974-02-18 1982-02-10
JPS576565B2 (sv) * 1974-02-18 1982-02-05
JPS6018927B2 (ja) * 1975-11-06 1985-05-13 旭光学工業株式会社 カメラのデイジタル表示回路
JPS52119228A (en) * 1976-03-30 1977-10-06 Canon Inc Means for setting photograph information
JPS5358233A (en) * 1976-11-06 1978-05-26 Asahi Optical Co Ltd Digital control automatic exposure camera
JPS5379533A (en) * 1976-12-24 1978-07-14 Nippon Chemical Ind Exposure control device for camera

Also Published As

Publication number Publication date
FR2448164A1 (fr) 1980-08-29
GB2045957A (en) 1980-11-05
DE3003745A1 (de) 1980-08-07
GB2059612A (en) 1981-04-23
GB2059612B (en) 1983-05-25
GB2045957B (en) 1983-03-30
FR2448164B1 (sv) 1984-01-13
US4306785A (en) 1981-12-22

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